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1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // Window redraw code, three sorts of redrawing are supported |
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15 // Sending a redraw message to the client (see redrawmsgwindow.cpp) |
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16 // Drawing from backup bitmap |
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17 // Simply clearing the window |
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18 // |
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19 // |
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20 |
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21 #include "wnredraw.h" |
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22 #include "server.h" |
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23 #include "playbackgc.h" |
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24 #include "wstop.h" |
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25 #include "ANIM.H" |
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26 #include "EVQUEUE.H" |
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27 #include "offscreenbitmap.h" |
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28 #include <s32mem.h> |
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29 #include <gdi.h> |
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30 #include "panics.h" |
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31 #include "inifile.h" |
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32 #include "rootwin.h" |
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33 #include "EVENT.H" |
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34 #include "wstypes.h" |
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35 |
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36 struct TFadingParams |
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37 { |
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38 TUint8 blackMap; |
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39 TUint8 whiteMap; |
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40 }; |
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41 |
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42 CWsWindowRedraw::CWsWindowRedraw(CWsWindow *aWin) : iWsWin(aWin) |
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43 { |
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44 } |
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45 |
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46 CWsWindowRedraw::~CWsWindowRedraw() |
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47 { |
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48 if (iWsWin->WsOwner()) |
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49 { |
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50 iWsWin->WsOwner()->RedrawQueue()->RemoveInvalid(this); |
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51 } |
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52 } |
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53 |
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54 void CWsWindowRedraw::ConstructL() |
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55 { |
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56 } |
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57 |
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58 void CWsWindowRedraw::ClipInvalidRegion(const TRect &) |
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59 { |
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60 } |
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61 |
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62 void CWsWindowRedraw::Resize(const TSize &, const TSize &) |
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63 { |
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64 } |
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65 |
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66 void CWsWindowRedraw::SetReply(TInt aReply) |
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67 { |
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68 iWsWin->WsOwner()->SetReply(aReply); |
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69 } |
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70 |
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71 void CWsWindowRedraw::OwnerPanic(TClientPanic aPanic) |
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72 { |
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73 iWsWin->OwnerPanic(aPanic); |
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74 } |
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75 |
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76 CWsBackedUpWindow *CWsWindowRedraw::Backup() const |
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77 { |
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78 return(NULL); |
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79 } |
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80 |
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81 void CWsWindowRedraw::Scroll(const TRect &, const TPoint &,const TRect &) |
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82 { |
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83 } |
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84 |
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85 void CWsWindowRedraw::UpdateAnimArea() |
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86 { |
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87 } |
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88 |
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89 void CWsWindowRedraw::PrepareForResizeL(const TSize &, TSize &) |
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90 { |
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91 } |
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92 |
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93 TBool CWsWindowRedraw::DrawCommand(CWsGc*,const TAny*) |
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94 { |
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95 return ETrue; |
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96 } |
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97 |
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98 void CWsWindowRedraw::GcAttributeChange(CWsGc*,const TAny*) |
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99 { |
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100 } |
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101 |
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102 void CWsWindowRedraw::GcDeactivate(CWsGc*) |
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103 { |
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104 } |
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105 |
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106 CFbsDevice* CWsWindowRedraw::OutputDevice() const |
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107 { |
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108 return iWsWin->Screen()->GetFbsDevice(); |
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109 } |
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110 |
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111 void CWsWindowRedraw::ClientExposing() |
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112 { |
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113 } |
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114 |
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115 void CWsWindowRedraw::ClearRedrawStore(TBool) |
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116 {} |
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117 |
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118 void CWsWindowRedraw::PreDrawWindow(CFbsBitGc* aGc, const TRegion &aRegion) |
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119 { |
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120 WS_ASSERT_DEBUG(iGlobalRedrawRegion == NULL, EWsPanicScheduledRedraw); |
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121 iGlobalRedrawRegion = &aRegion; |
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122 CPlaybackGc::Instance()->SetTargetRegion(iGlobalRedrawRegion); |
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123 CWsClient::iCurrentCommand.iOpcode=0; // Andy - urgh - loose me please |
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124 CPlaybackGc::Instance()->Activate(CliWin(), aGc, iGlobalRedrawRegion); |
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125 } |
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126 |
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127 void CWsWindowRedraw::PostDrawWindow(CFbsBitGc* aGc) |
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128 { |
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129 if(CWsTop::IsFadeEnabled() && iWsWin->FadeCount()>0 && !iWsWin->IsNonFading()) |
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130 { |
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131 //x86gcc compiler needs this syntax to perform |
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132 //multiple inheritance duplicate common base class declaration resolution |
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133 //combined with the template resolution. |
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134 MWsGc* objectInterfaceResolver=CPlaybackGc::Instance(); |
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135 MWsFader* fader = objectInterfaceResolver->ObjectInterface<MWsFader>(); |
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136 if(fader) |
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137 { |
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138 TFadingParams parameters; |
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139 iWsWin->GetFadingParams(parameters.blackMap,parameters.whiteMap); |
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140 TPckgBuf<TFadingParams> buf(parameters); |
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141 fader->SetFadingParameters(buf); |
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142 // Only fade the region that hasn't been faded before |
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143 STACK_REGION fdRgn; |
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144 fdRgn.Copy( *iGlobalRedrawRegion ); |
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145 fdRgn.Intersect( iWsWin->FadableRegion() ); |
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146 fader->FadeArea( aGc, &fdRgn ); |
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147 fdRgn.Close(); |
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148 } |
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149 } |
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150 |
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151 CPlaybackGc::Instance()->Deactivate(); |
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152 |
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153 WS_ASSERT_DEBUG(iGlobalRedrawRegion, EWsPanicScheduledRedraw); |
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154 DrawAnims(aGc, *iGlobalRedrawRegion); |
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155 |
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156 CPlaybackGc::Instance()->SetTargetRegion(NULL); |
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157 iGlobalRedrawRegion = 0; |
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158 } |
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159 |
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160 void CWsWindowRedraw::DrawAnims(CFbsBitGc * aGc, const TRegion& aRegion) |
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161 { |
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162 if (iWsWin->iAnimList) |
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163 { |
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164 // If an anim panics, it will leave and set the panic flag on the client |
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165 // The client itself won't actually panic yet, and we don't want to leave from here. |
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166 TRAP_IGNORE(DrawAnimsL(aGc, aRegion)); |
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167 } |
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168 |
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169 // Draw standard text cursor if required |
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170 RWsTextCursor* const cursor = CWsTop::CurrentTextCursor(); |
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171 if (cursor && cursor->Win() == iWsWin && cursor->IsStandardCursorActive()) |
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172 { |
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173 // Standard text cursor is active on this window |
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174 const TBool flashing = cursor->IsFlashing(); |
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175 TFlashState flashState = EFlashOff; |
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176 if (flashing) |
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177 { |
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178 flashState = Screen()->SpriteManager()->CurrentCursorFlashState(); |
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179 } |
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180 if (flashState == EFlashOn || !flashing) |
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181 { |
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182 // Cursor should be visible, so draw it |
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183 aGc->Reset(); |
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184 cursor->Draw(aGc, aRegion); |
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185 } |
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186 if (flashing) |
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187 { |
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188 // Reschedule to flash the standard cursor on or off |
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189 Screen()->ScheduleAnimation(cursor->RectRelativeToScreen(), Screen()->SpriteManager()->NextCursorFlashStateChange(), 0, 0); |
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190 } |
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191 } |
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192 |
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193 for (CWsSpriteBase * sprite = iWsWin->iSpriteList; sprite; sprite = sprite->Next()) |
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194 { |
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195 aGc->Reset(); |
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196 sprite->Redraw(aGc, aRegion); |
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197 } |
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198 } |
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199 |
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200 void CWsWindowRedraw::DrawAnimsL(CFbsBitGc * aGc, const TRegion& aRegion) |
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201 { |
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202 for (CWsAnim * anim = iWsWin->iAnimList; anim; anim = anim->Next()) |
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203 { |
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204 // This can leave |
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205 TRAPD(err,anim->Redraw(aGc, &aRegion)); |
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206 if(err!=KErrNone) |
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207 { |
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208 anim->Panic(EWservPanicAnimLeave); |
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209 } |
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210 } |
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211 } |
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212 |
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213 TBool CWsWindowRedraw::Contains(const TArray<TGraphicDrawerId>& /*aDrawers*/,const TRegion& aRegion) const |
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214 { |
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215 // if in doubt, assume we do |
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216 return !aRegion.IsEmpty(); |
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217 } |
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218 |
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219 TInt CWsWindowRedraw::DrawBackgroundColor(const TRegion* aRegion) |
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220 { |
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221 if(Screen()->BltOffScreen()) |
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222 { |
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223 return KErrNone; |
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224 } |
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225 TRgb col = BackColor(); |
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226 if (col.Alpha() == 0) |
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227 { |
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228 return KErrNone; |
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229 } |
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230 TRect abs(CliWin()->AbsRect()); |
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231 abs.Move(-CliWin()->Origin()); |
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232 TBuf8<sizeof(TRect)> cmd; |
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233 cmd.Copy(reinterpret_cast<TUint8*>(&abs),sizeof(TRect)); |
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234 CPlaybackGc::Instance()->BitGc().SetClippingRegion(aRegion); |
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235 CPlaybackGc::Instance()->BitGc().SetBrushColor(col); |
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236 CPlaybackGc::Instance()->BitGc().SetBrushStyle(CGraphicsContext::ESolidBrush); |
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237 CPlaybackGc::Instance()->BitGc().SetPenStyle(CGraphicsContext::ENullPen); |
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238 // Andy - this is pretty ridiculous - can't we just draw using the gc? |
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239 TRAPD(err,CPlaybackGc::Instance()->CommandL(EWsGcOpDrawRect, cmd)); //Should not leave ### |
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240 CPlaybackGc::Instance()->BitGc().SetDrawMode(CGraphicsContext::EDrawModePEN); |
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241 CPlaybackGc::Instance()->BitGc().CancelClippingRegion(); |
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242 return err; |
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243 } |
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244 |
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245 TBool CWsWindowRedraw::ReleaseMemory(MWsMemoryRelease::TMemoryReleaseLevel) |
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246 { |
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247 return EFalse; |
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248 } |
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249 |
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250 void CWsWindowRedraw::VisibleRegionChange() |
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251 { |
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252 } |
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253 |
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254 TBool CWsWindowRedraw::ReadyToDraw() const |
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255 { |
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256 return ETrue; |
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257 } |
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258 |
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259 void CWsWindowRedraw::WindowClosing() |
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260 {} |
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261 |
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262 // |
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263 // Blank up window // |
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264 // |
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265 |
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266 CWsBlankWindow::CWsBlankWindow(CWsWindow *aWin) : CWsWindowRedraw(aWin), iColor(iWsWin->RootWindow()->DefaultBackgroundColor()), iNoColor(EFalse) |
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267 { |
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268 } |
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269 |
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270 CWsBlankWindow::~CWsBlankWindow() |
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271 { |
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272 } |
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273 |
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274 void CWsBlankWindow::SetColor(TRgb aColor) |
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275 { |
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276 iColor=aColor; |
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277 iNoColor=EFalse; |
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278 Screen()->AddRedrawRegion(iWsWin->VisibleRegion()); |
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279 } |
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280 |
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281 TBool CWsBlankWindow::CommandL(TInt aOpcode, TWsWinCmdUnion &aCmd) |
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282 { |
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283 switch(aOpcode) |
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284 { |
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285 case EWsWinOpSetColor: |
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286 SetColor(*aCmd.rgb); |
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287 break; |
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288 case EWsWinOpSetNoBackgroundColor: |
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289 SetBackgroundClear(); |
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290 break; |
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291 default: |
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292 return(EFalse); |
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293 } |
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294 return(ETrue); |
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295 } |
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296 |
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297 TRgb CWsBlankWindow::BackColor() const |
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298 { |
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299 return(iColor); |
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300 } |
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301 |
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302 TBool CWsBlankWindow::GetRedrawRect(TRect &) const |
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303 { |
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304 if (!iNoColor || iWsWin->iAnimList) |
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305 iWsWin->Screen()->AddRedrawRegion(iWsWin->VisibleRegion()); |
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306 return(EFalse); |
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307 } |
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308 |
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309 TBool CWsBlankWindow::NeedsRedraw() const |
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310 { |
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311 return(EFalse); |
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312 } |
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313 |
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314 void CWsBlankWindow::DrawWindow() |
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315 { |
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316 if (!iNoColor) |
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317 { |
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318 DrawBackgroundColor(iGlobalRedrawRegion); |
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319 } |
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320 } |